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Senior Data Scientist, Safety & Security

🌐 Remote💼 Full-time💰 $109,563–$109,563🗓 2026-09-17 → 2026-09-25

Core

Senior Data Scientist guiding Wikipedia's anti-abuse and security strategy by developing data strategies, identifying metrics, and collaborating on AI/ML interventions to detect bots and abusive activity.

Role type

Senior IC data scientist (safety & security)

Builds

Product features and interventions for online safety and security

Domain

Non-profit / Online safety & security / Machine Learning

Deliverable

production ML models | product features | dashboards & analysis

Required skills

Experimental design, statistics, machine learning methods, R, Python, SQL, large-scale data processing, AI coding assistants, Bayesian & Frequentist approaches

Preferred skills

Trust & safety experience, information security, privacy, open source contributions, Superset, Growthbook

Technologies

Apache Iceberg, Hive, Druid, Presto, Spark, DBT, Airflow, Superset, Growthbook

Responsibilities

Partner with product teams to inform strategy and product direction; deliver quantitative data and insights to guide decisions; build measurement strategies and evaluate experiments; develop queries and code for large-scale data repositories; build automated dashboards for tracking success metrics; instrument features and support A/B testing.

Seniority

Senior, hands-on IC

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